<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
	<script src="js/vue.js"></script>
	</head>
	<body>
		<div id="app">
			<input type="text" v-model="msg">
			{{msg\upperCase\asterisk}}
		</div>
	</body>
	<script>
		var app = new Vue({
			el:'#app',
			data: {
				msg:""
			},
			filters: { 
				upperCase: function(val){
					return val.toUpperCase();
				},
				asterisk: function(val){
					var reg =/\d/g;
					return val.replace(reg,'*')
				}
			}
		});
		var app2 = new Vue({
			el: '#app2',
			data: {
				msg: ''
			}
		})
	</script>
</html>
